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MOBIHOC
2010
ACM
13 years 2 months ago
Spectrum pricing games with bandwidth uncertainty and spatial reuse in cognitive radio networks
In cognitive radio networks (CRN), primary users can lease out their unused bandwidth to secondary users in return for a fee. We study price competition in a CRN with multiple pri...
Gaurav S. Kasbekar, Saswati Sarkar
GLOBECOM
2009
IEEE
13 years 11 months ago
Dynamic Power Management in Cognitive Radio Networks Based on Constrained Stochastic Games
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
Chia-Wei Wang, Yu-Pin Hsu, Kai-Ten Feng
TWC
2008
225views more  TWC 2008»
13 years 4 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
INFOCOM
2010
IEEE
13 years 3 months ago
Cognitive Mobile Virtual Network Operator: Investment and Pricing with Supply Uncertainty
Abstract—This paper presents the first analytical study of optimal investment and pricing decisions of a cognitive mobile virtual network operator (C-MVNO) under spectrum supply...
Lingjie Duan, Jianwei Huang, Biying Shou
INFOCOM
2009
IEEE
13 years 11 months ago
Coalitional Games for Distributed Collaborative Spectrum Sensing in Cognitive Radio Networks
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
Walid Saad, Zhu Han, Mérouane Debbah, Are H...